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Forged steel flange check valve disc and seat sealing surface using cobalt hard alloy plasma jet welding, resulting in high hardness, erosion resistance, durability.It is suitable for cutting or connecting the medium in the pipeline of petroleum, chemical, hydraulic, thermal power station and other working conditions at 600℃.Applicable medium: water, oil, steam, gas, some corrosive liquids, etc.Forged steel flange check valve disc, seat sealing surface using iron alloy or Stellite cobalt hard alloy surfacing to wear, high temperature resistance, corrosion resistance, good abrasion resistance, long service life and other characteristics.Stainless steel pin shaft and disc connection with a built-in structure - excellent performance - sealing more reliable.Products are widely used in petroleum, chemical, pharmaceutical, electric power and other working conditions of the pipeline media backflow protection.Applicable medium is water, oil, steam, gas and some corrosive liquid medium.

Product model: H41Y
Nominal size: NPS1/2"~2"
Nominal pressure: Class150~600Lb
Operating temperature: 600℃
Suitable medium: water, oil, steam, gas, some corrosive liquid, etc
Main materials: A105N, A182 F22, A182 F304(L), A182 F316(L)
Structure length: ANSI B16.5 F16.5